September weather forecast
Halmstad, Sweden

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Weather in September

As September rolls in, Halmstad begins its transition from summer to autumn. The fall season is evident with the average high temperature dropping to 16.3°C (61.3°F) and rainfall reducing to 58mm (2.28") from August’s extreme. While the atmospheric pressure begins to rise, daylight hours decrease, hinting at the close of extended summer days. The city prepares to welcome the hues of fall and the accompanying cooler climate.

Temperature

September brings a minor shift in the average high-temperature, adjusting from 19.6°C (67.3°F) in August to a still refreshing 16.3°C (61.3°F). Nighttime temperatures during September report a consistent average of 11.5°C (52.7°F).

Humidity

In September, the average relative humidity is 80%.

Rainfall

In Halmstad, during September, the rain falls for 16.8 days and regularly aggregates up to 58mm (2.28") of precipitation. Throughout the year, in Halmstad, there are 186.6 rainfall days, and 602mm (23.7") of precipitation is accumulated.

Snowfall

May through September are months without snowfall.

Daylight

In Halmstad, Sweden, the average length of the day in September is 12h and 46min.
On the first day of September, sunrise is at 06:12 and sunset at 20:04. On the last day of the month, sunrise is at 07:11 and sunset at 18:45 CEST.

Sunshine

The average sunshine in September is 7.4h.

UV index

In September, the average daily maximum UV index in Halmstad is 4. A UV Index of 3 to 5 symbolizes a medium vulnerability from unsafe exposure to UV radiation for the ordinary person.
Note: The average daily UV index of 4 in September transforms into the following instructions:
Proceed with care. Light skin individuals may be exposed to burns in fewer than 30 minutes. Sun's radiation is most powerful around mid-day, so it's best to limit outdoor activities during this time. Employ a wide-brim hat for potent defense against up to 50% of UV rays.
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Frequently asked questions

What are the temperatures in Halmstad in September?

In September, in Halmstad, the average high-temperature is 16.3°C (61.3°F), and the average low-temperature is 11.5°C (52.7°F).

What is the average humidity in September in Halmstad?

In September, the average relative humidity in Halmstad, Sweden, is 80%.

How many days does it rain in September in Halmstad?

In September, in Halmstad, Sweden, the rain falls for 16.8 days. Throughout September, 58mm (2.28") of precipitation is accumulated.

When it does not snow in Halmstad?

In Halmstad, snow does not fall in May through September.

Does it snow in Halmstad in September?

In Halmstad, Sweden, in September, it doesn't snow. In October, it regularly snows.

How many hours of daylight does Halmstad have in September?

The average day length in September in Halmstad is 12h and 46min.

When is the sunrise / sunset in September in Halmstad?

On the first day of September in Halmstad, sunrise is at 06:12 and sunset at 20:04. On the last day of the month, sunrise is at 07:11 and sunset at 18:45 CEST.

How long on average sun shines in September in Halmstad?

In Halmstad, the average sunshine duration in September is 7.4h.

How high is the UV index in September in Halmstad?

In September, the average daily maximum UV index in Halmstad, Sweden, is 4. A UV Index value of 3 to 5 symbolizes a moderate vulnerability from unsafe exposure to Sun's UV rays.
Average humidity
Average rainfall days
Average snowfall
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover

Average temperature in September
Halmstad, Sweden

Average temperature in September - Halmstad, Sweden
  • Average high temperature in September: 16.3°C

The warmest month (with the highest average high temperature) is July (20°C).
The month with the lowest average high temperature is February (1.8°C).

  • Average low temperature in September: 11.5°C

The month with the highest average low temperature is August (14.3°C).
The coldest month (with the lowest average low temperature) is February (-1.3°C).

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Average pressure in September
Halmstad, Sweden

Average pressure in September - Halmstad, Sweden
  • Average pressure in September: 1014.7mbar

The month with the highest atmospheric pressure is April (1015.3mbar).
The month with the lowest atmospheric pressure is December (1010mbar).

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Average wind speed in September
Halmstad, Sweden

Average wind speed in September - Halmstad, Sweden
  • Average wind speed in September: 16.6km/h

The windiest month (with the highest average wind speed) is December (20.1km/h).
The calmest months (with the lowest average wind speed) are May, June and July (14.4km/h).

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Average humidity in September
Halmstad, Sweden

Average humidity in September - Halmstad, Sweden
  • Average humidity in September: 80%

The months with the highest relative humidity are January, February and December (87%).
The months with the lowest relative humidity are April and May (73%).

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Average rainfall in September
Halmstad, Sweden

Average rainfall in September - Halmstad, Sweden
  • Average rainfall in September: 58mm

The wettest month (with the highest rainfall) is August (79mm).
The driest month (with the least rainfall) is April (25mm).

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Average rainfall days in September
Halmstad, Sweden

Average rainfall days in September - Halmstad, Sweden
  • Average rainfall days in September: 16.8 days

The month with the highest number of rainy days is August (21.3 days).
The month with the least rainy days is February (10.5 days).

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Average snowfall in September
Halmstad, Sweden

Average snowfall in September - Halmstad, Sweden
  • Average snowfall in September: 0mm

The month with the highest snowfall is February (65mm).
The months with the least snowfall are May, June, July, August and September (0mm).

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Average snowfall days in September
Halmstad, Sweden

Average snowfall days in September - Halmstad, Sweden
  • Average snowfall days in September: 0 days

The month with the highest number of snowfall days is January (8.8 days).
The months with the least snowfall days are June, July, August and September (0 days).

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Average daylight in September /
Average sunshine in September
Halmstad, Sweden

Average daylight in September / Average sunshine in September - Halmstad, Sweden
  • Average daylight in September: 12h and 5min

The month with the longest days is June (Average daylight: 17h and 42min).
The month with the shortest days is December (Average daylight: 6h and 54min).

  • Average sunshine in September: 7h and 2min

The month with the most sunshine is June (Average sunshine: 10h and 18min).
The month with the least sunshine is December (Average sunshine: 3h and 12min).

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Average sunshine days in September
Halmstad, Sweden

Average sunshine days in September - Halmstad, Sweden
  • Average sunshine days in September: 10.2 days

The month with the most sunshine days is April (14.8 days).
The month with the least sunshine days is August (7.7 days).

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Average UV index in September
Halmstad, Sweden

Average UV index in September - Halmstad, Sweden
  • Average UV index in September: 4

The months with the highest UV index are June and July (UV index 5).
The month with the lowest UV index is January (UV index 1).

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Average cloud cover in September
Halmstad, Sweden

Average cloud cover in September - Halmstad, Sweden
  • Average cloud cover in September: 49

The month with the most cloud cover is December (Cloud cover 69).
The month with the least cloud cover is June (Cloud cover 40).

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Average visibility in September
Halmstad, Sweden

Average visibility in September - Halmstad, Sweden
  • Average visibility in September: 10km

The months with the highest visibility are April, May, June, July, August and September (10km).
The months with the lowest visibility are January, February, March, October, November and December (9km).

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Halmstad, Sweden

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